----- Original Message ----- From: "chris" <chris@xxxx> To: <dmcnews@xxxxxxxxxxxxxxx> Sent: Monday, March 26, 2001 12:26 AM Subject: Re: [DML] Re: more info on my car... > In the technical manual it states the system has 29 gallons per hour running > thru the system which is basically 2 litres a minute. If Andy had 2 litres > back in a minute then all is OK and start checking the Control Pressure with > a gauge. > If there was a blockage then in 1 minute there would obviously be less fuel > back to the pump, if more than 2 litres then either the pump is working to > hard or the primary CPR needs adjusting. > > A little tip DMC Joe gave me....Pull out the injectors and putting them > into jars, then run the fuel pump. When the air flow sensor is closed the > injector should be closed with maybe just a SMALL amount of fuel forming on > the injector. Then as soon as you touch the air flow sensor the injectors > should start spraying (cone shaped), and be proportional to the pressure on > the air flow sensor. > > If the CPR was faulty this could cause the car to run rich all the time and > like David mentioned cold start/cold acceleration problems. > > Like David said Andy needs to eliminate the Control pressure by using a > gauge (as per workshop manual ) connecting it inline with the fuel line from > the top centre of the fuel distributor and the CPR ( left hand rocker cover > behind the oil filler ). > > A quick test of the Lambda system.. Andy said it was buzzing so when the car > is at running temp, press and hold the microswitch by the throttle spool and > the engine tone should change and the FV will buzz at a constant. > > I thought at first you had opened the fuel distributor, just a note do not > remove the 3 screws that hold the 2 parts of the distributor together. Once > you open it you will never get it to seal again and you will need to spend > $500 to get it repaired by a Bosch centre. > > regards > > Chris Spratt > Vin 16327 > DOC UK > > > ----- Original Message ----- > From: <jtrealty@xxxx> > To: <dmcnews@xxxxxxxxxxxxxxx> > Sent: Sunday, March 25, 2001 10:34 PM > Subject: [DML] Re: more info on my car... > > > > Just because you are getting fuel flow from the return line doesn't > > mean it isn't restricted. You NEED to get a gauge setup on the car so > > you can find the source of the problem. I think you will find it to be > > either a resticted return line or a stuck Primary Control Pressure > > Regulater. The warm-up regulater is the control pressure regulater on > > the left valve cover and the primary control pressure regulater is on > > the side of the fuel distributer. If you assume the test you performed > > gave you 2 liters of fuel when you should have had 3 then you would > > know with certainty that the line is blocked. Unfortunatly I do not > > know the return flow rate so I don't think that is a valid test. If > > the system pressure is too high it can only mean that the Primary > > control pressure regulater either isn't working or the return line is > > restricted or blocked. I think the regulater you took apart is the > > control pressure regulater (warm-up regulater) and I don't think it is > > the source of your troubles. Failure of this component usually results > > in hard cold start conditions and trouble with cor fuel > > enrichment. > > David Teitelbaum > > vin 10757 > > > > > > --- In dmcnews@xxxx, Soma576@xxxx wrote: > > > Hey All, > > > > > > today i took off my control pressure regulator and opened it up. it > > appears > > > to be quite clean, and the screen is clear. i only unscrewed the > > bottom four > > > screws and checked it in there. i blew air thru the vacuum nipple > > on the > > > > > > Andy > > > > > > Soma576@xxxx > > > 1982 DeLorean DMC-12 VIN#11596 > > > Fargo, ND 58102 > > > > > > > > > [Non-text portions of this message have been removed] > > > > > > > > Before posting messages or replies, see the posting policy rules at: > > www.dmcnews.com/Admin/rules.html > > > > To address comments privately to the moderating team, please address: > > moderator@xxxx > > > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > > > > > > > > > > > Before posting messages or replies, see the posting policy rules at: > www.dmcnews.com/Admin/rules.html > > To address comments privately to the moderating team, please address: > moderator@xxxx > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > >